Support for concrete reinforcement bar



FIG. 1 is a perspective view of a support for concrete reinforcement bar showing my new design;

FIG. 2 is a frontal elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and

The side view not shown is the same in appearance as the side shown in FIG. 3. 

The ornamental design for a support for concrete reinforcement bar, as shown and described. 